Average Co-Inventor Count = 2.57
ph-index = 2
The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.
Company Filing History:
1. Sulzer Brothers Limited (1 from 790 patents)
2. Salzgitter Maschinenbau Gmbh (1 from 6 patents)
3. Saltzgitter Maschinenbau Gmbh (1 from 2 patents)
3 patents:
1. 4974506 - Spindle press
2. 4901636 - Spindle press
3. 4749480 - Reaction vessel